皮皮学，免费搜题
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【单选题】
制备纯净的氯乙烷的方法是 ( )A.
乙烯 + 氯气
B.
乙烷 + 氯气
C.
乙炔 + 氯化氢
D.
乙烯 + 氯化氢
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参考解析：
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皮皮学刷刷变学霸
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【单选题】—There is nobody here. Let's play football. —No, we can't. My father often tells me _______ in the street. It's dangerous. [ ]
A.
to play
B.
don't play
C.
not to play
【简答题】中国公民李某为上海甲公司技术人员,在上海无住房,租房居住,2019年全年取得工资、薪金所得200000元,个人负担的“三险一金”共计40000元,提供维修服务,取得劳务报酬所得2000元;发表专业文章,取得稿酬所得1000元。同年,取得专业技术人员职业资格证书。计算其2019年个人所得税应纳税所得额。
【单选题】—There is nobody here. Let's play football. —No, we can't. My father often tells me _____ in the street. It's dangerous. [ ]
A.
to play
B.
don't play
C.
not to play
D.
not play
【单选题】There is nobody here, ________ _________?
A.
is there
B.
isn't there
C.
are they
D.
aren't they
【简答题】2019年甲公司职员李某全年取得工资、薪金收入180000元。当地规定的社会保险和住房公积金个人缴存比例为:基本养老保险8%,基本医疗保险2%,失业保险0.5%,住房公积金12%。李某缴纳社会保险费核定的缴费工资基数为10000元。李某正在偿还首套住房贷款及利息;李某为独生女,其独生子正就读大学三年级;李某父母均已年过60岁。李某夫妻约定由李某扣除贷款利息和子女教育费。要求计算李某2019年应缴纳...
【单选题】There is nobody here in the office-they have all gone home. A . can B . must C . should D . would
A.
1
B.
2
C.
3
D.
4
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【单选题】There is nobody here, ________ _________?
A.
is there
B.
isn't there
C.
are they
D.
aren't they